10 Imperial House, Rose Lane, Norwich, NR1 1BZ

10 Imperial House is an end-of-terrace house in Norwich (NR1 1BZ). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 2012 onwards and council tax band B. At 44 m² this is the 54th smallest of 58 units on EPC record in the building, where floor areas span 23–53 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (67 versus a best of 81). The latest certificate (July 2026) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2016. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 75). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.

At 44 m² the property is well over the postcode median (32 m² across 57 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £133,000 is 26.7% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£222/sq ft) was about 33.9% below the postcode norm. On the market in August 2016 and unlisted since — roughly 10 years.